2024 CO DMV Practice Test 15 Based on 2024 CO Driver's Handbook 25. The speed limit for a school zone where children are present is ____ unless otherwise posted. A 20 mph B 25 mph C 30 mph Next More 25/30 Progress 0 Errors Restart Next Next CO Permit Practice Test 15 Back to Test List CO Permit Practice Test 14 CO Permit Practice Test 16 Challenge Library 12 More CO DMV Practice Tests 1 CO Permit Practice Test 1 2 CO Permit Practice Test 2 3 CO Permit Practice Test 3 4 CO Permit Practice Test 4 5 CO Permit Practice Test 5 6 CO Permit Practice Test 6 16 CO Permit Practice Test 16 17 CO Permit Practice Test 17 18 CO Permit Practice Test 18 19 CO Permit Practice Test 19